Answer:
lose friend you need your mom
Explanation:
Answer:
a substrate control is an uncontaminated sample
Explanation:
it allows forensic scientiststo compare the two samples to better observe whether a flammable liquid is present
Amy needs to pass the test "once a year".
Option A
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Explanation:
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The United States Army, in order to make sure that its cadets are fit enough to serve in the army further more, conducts a test called the Army Physical Fitness Test.
It is mandatory for each and every soldier in the army to pass this test with a "minimum score of 180" in order to prove his ability to serve in the army for a still longer period. The test consists of three distinct events carrying 60 marks each.
